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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Assoc (containers.CCListLabels.Assoc)</title><link rel="stylesheet" href="../../../odoc.css"/><meta charset="utf-8"/><meta name="generator" content="odoc 1.5.1"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><div class="content"><header><nav><a href="../index.html">Up</a> – <a href="../../index.html">containers</a> » <a href="../index.html">CCListLabels</a> » Assoc</nav><h1>Module <code>CCListLabels.Assoc</code></h1></header><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> <span>('a, 'b) t</span></code><code> = <span><span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> list</span></code></dt></dl><dl><dt class="spec value" id="val-get"><a href="#val-get" class="anchor"></a><code><span class="keyword">val</span> get : <span>eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span class="type-var">'b</span> option</span></code></dt><dd><p><code>get ~eq k alist</code> returns <code>Some v</code> if the given key <code>k</code> is present into <code>alist</code>, or <code>None</code> if not present.</p></dd></dl><dl><dt class="spec value" id="val-get_exn"><a href="#val-get_exn" class="anchor"></a><code><span class="keyword">val</span> get_exn : <span>eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span class="type-var">'b</span></code></dt><dd><p><code>get_exn ~eq k alist</code> returns <code>v</code> if the element <code>k</code> is present into <code>alist</code>. Like <code>get</code>, but unsafe.</p><dl><dt>raises Not_found</dt><dd><p>if the element is not present.</p></dd></dl></dd></dl><dl><dt class="spec value" id="val-set"><a href="#val-set" class="anchor"></a><code><span class="keyword">val</span> set : <span>eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span class="type-var">'b</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span></code></dt><dd><p><code>set ~eq k v alist</code> adds the binding <code>k, v</code> into the list <code>alist</code> (erase it if already present).</p></dd></dl><dl><dt class="spec value" id="val-mem"><a href="#val-mem" class="anchor"></a><code><span class="keyword">val</span> mem : <span>?⁠eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">_</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> bool</code></dt><dd><p><code>mem ?eq k alist</code> returns <code>true</code> iff <code>k</code> is a key in <code>alist</code>.</p><dl><dt>since</dt><dd>0.16</dd></dl></dd></dl><dl><dt class="spec value" id="val-update"><a href="#val-update" class="anchor"></a><code><span class="keyword">val</span> update : <span>eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span>f:<span>(<span><span class="type-var">'b</span> option</span> <span>-></span> <span><span class="type-var">'b</span> option</span>)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span></code></dt><dd><p><code>update ~eq ~f k alist</code> updates <code>alist</code> on the key <code>k</code>, by calling <code>f (get alist k)</code> and removing <code>k</code> if it returns <code>None</code>, mapping <code>k</code> to <code>v'</code> if it returns <code>Some v'</code>.</p><dl><dt>since</dt><dd>0.16</dd></dl></dd></dl><dl><dt class="spec value" id="val-remove"><a href="#val-remove" class="anchor"></a><code><span class="keyword">val</span> remove : <span>eq:<span>(<span class="type-var">'a</span> <span>-></span> <span class="type-var">'a</span> <span>-></span> bool)</span></span> <span>-></span> <span class="type-var">'a</span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span> <span>-></span> <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t</a></span></code></dt><dd><p><code>remove ~eq k alist</code> returns the <code>alist</code> without the first pair with key <code>k</code>, if any.</p><dl><dt>since</dt><dd>0.17</dd></dl></dd></dl></div></body></html> |